C12-13 Pareth-2
molecular structure · PubChem
AKA: Polyoxyethylene alkyl ether
Synthetic
Cleanser
Emulsifier
Plant Oil
Clean
Alcohols, C12-13, ethoxylated (2 mol EO average molar ratio)
CAS #
66455-14-9
Form
Liquid
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
Synthetic nonionic surfactant from the pareth series, developed in the 20th century for mild cleansing and emulsification in cosmetic products.
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR